Harman US

Newark, CA Weather & Growing Conditions

This Afternoon
64°F
Chance Light Rain
A chance of rain. Partly sunny. High near 64, with temperatures falling to around 61 in the afternoon. South southwest wind 3 to 8 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 64°F Chance Light Rain 3 to 8 mph SSW 44%
Tonight 50°F Chance Light Rain then Mostly Cloudy 3 to 7 mph ESE 34%
Wednesday 66°F Patchy Fog then Sunny 2 to 10 mph NNW 1%
Wednesday Night 50°F Mostly Cloudy then Patchy Fog 1 to 9 mph NNW 0%
Thursday 69°F Patchy Fog then Mostly Sunny 1 to 7 mph N 0%
Thursday Night 50°F Mostly Clear 2 to 7 mph NW 0%
Friday 71°F Sunny 1 to 6 mph N 0%
Friday Night 51°F Clear 0 to 6 mph ENE 0%
Saturday 74°F Sunny 1 to 6 mph NNE 0%
Saturday Night 52°F Mostly Clear 0 to 6 mph WNW 0%
Sunday 72°F Mostly Sunny 1 to 6 mph NNE 0%
Sunday Night 52°F Partly Cloudy 0 to 6 mph W 0%
Monday 70°F Partly Sunny 0 to 7 mph W 1%
Monday Night 51°F Mostly Cloudy 1 to 7 mph WSW 1%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Newark, CA

Last spring frost
Jan 1
First fall frost
Dec 27
Growing season
365 days
Hardiness zone
10a

Explore more for Newark, CA: full frost dates · planting calendar · California frost dates

Climate data from the nearest NOAA station, Newark, Ca (0.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.